a tube of toothbrush 用单数还是复数提问?

a tube of toothbrush 用单数还是复数提问? a tube of是什么意思啊? a long tube of gunpowder umbrella/tube/muisc/toothbrush/studentcute根据元音字母分类 a tube of toothpaste用中文怎么说? a tube of toothpaste 用单数还是复数提问 I presented him with a tube of shaving cream. What is the function of a Durham tube? MOC MOC of tube a box of chocolates ,a pack of cards ,a can of cola,a tube of toothpaste 全部用复数表示 tube tube Tube 那两个单词中u的发音与其他单词中u的发音不同请找出 umbrella tube music cute student toothbrush 请问 yield strength of tube 怎么翻译 What are the materials of rigid tube? A person blows into a tube of length L that is open at one end and closed atA person blows into a tube of length L that is open at one end and closed at the other.What is the wavelength of the first harmonic of the tube?一道SAT2物理题，答案 英译：The very heart of a TV is the picture tube.It is a cathode-ray tube with an electron gun and a phosphor screen inside the evacuated glass envelope.